class Area{
	float getArea(float r){
		return 3.14f*r*r;
	}
	double getArea(float x, int y){
		return x*y;
	}
	float getArea(float x, int y){
		return x*y;
	}
	float getArea(float yy, int xxx){
		return x*y;
	}
	double getArea(float x, float y, float z){
		return (x*x+y*y+z*z)*2.0;
	}
}
